Influence of Waste Engine Oil on Asphalt Mixtures Containing Reclaimed Asphalt Pavement

Jia, Xiaoyang; Huang, Baoshan; Moore, Jason; Zhao, Sheng

doi:10.1061/(asce)mt.1943-5533.0001292

Cited by 76 publications

(23 citation statements)

References 19 publications

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“…It was found that UMO enhanced durability since mixtures became less sensitive to moisture and had increased resistance to both rutting and fatigue cracking. For reclaimed asphalt pavement (RAP) modified with UMO, it was found that UMO offset the aging of the mixture [13] since it compensated the loss of low molecular weight components that volatilized due to short-term and long-term aging. This paper focuses on the effectiveness of using UMO as a rejuvenator in crumb rubber modified asphalt (CRMA) in terms of both the performance of modified mixes and also environmental concerns arising from using UMO.…”

Section: Introductionmentioning

confidence: 99%

Balancing the Performance and Environmental Concerns of Used Motor Oil as Rejuvenator in Asphalt Mixes

et al. 2019

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Road deterioration inspires researchers to enhance the properties of asphalt binder for better performing mixes. Recycled tire rubber, or crumb rubber modifier (CRM), and used motor oil (UMO) are two modifiers that enhance asphalt binder performance through two different mechanisms. CRM affects high-temperature properties while UMO modifies low-temperature properties. Potential environmental concerns arising from the use of UMO have been raised in the literature. In this paper, the two recycled materials were investigated for their ability to complement each other. Both performance benefits of using both materials and the environmental concerns of using UMO were studied. Four CRM asphalt binders were investigated: two with UMO and two without UMO. Environmental impacts were evaluated using gas chromatography to check air emissions for benzene, toluene, ethyl-benzene, and xylenes (BTEX). The potential for toxic leaching of elements from modified hot mix asphalt (HMA) were checked using the US Environmental Protection Agency (EPA) Toxicity Characteristic Leaching Protocol (TCLP). For asphalt binders modified by CRM-UMO combinations, CRM decreased the amounts of released BTEX components, presumably by absorbing UMO and slowing the release of BTEX. Leaching results concluded that UMO mixtures showed a notable percentage of sulfur (S) as compared to non-UMO mixes. All these leachate components were under EPA limits.

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Section: Introductionmentioning

confidence: 99%

Balancing the Performance and Environmental Concerns of Used Motor Oil as Rejuvenator in Asphalt Mixes

et al. 2019

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“…In order to perform this task, RAP binder was modified with various ratios of WEO and WVO. The range was chosen based on literature ICSENM 142-6 review and preliminary studies [16]. Modification was processed for 5 minutes at 140°C using a laboratory blender at normal shear rates (700 rpm) to obtain a homogenous rejuvenated binder.…”

Section: Determining Optimum Rejuvenator Content and Rejuvenation Promentioning

confidence: 99%

“…It was reported that the use of WEO within HMA involving RAP can offset the increase of stiffness imposed by aged RAP bitumen. The authors claimed limited enhancements on fatigue properties of the mixtures containing WEO rejuvenated RAP [16]. Ji et al (2016) within a study tried to recover the aged asphalt (extracted from RAP materials) by use of two waste cooking vegetable oil rejuvenators (corn oil and soybean oil).…”

Section: Introductionmentioning

confidence: 99%

“…When it comes to Waste Engine Oil (WEO), what literature survey brings to light is that WEO is also amongst the addressed oily based rejuvenators [15], [16]. Zaumanis et al investigated the performance properties of RAP bitumen and 100% recycled asphalt mixtures with six different rejuvenators.…”

Section: Introductionmentioning

confidence: 99%

“…WEO was similarly employed within another study conducted by Jia et al (2015) aiming to investigate its influence on the rheological properties of RAP bitumen as well as fatigue properties of HMA containing RAP. It was reported that the use of WEO within HMA involving RAP can offset the increase of stiffness imposed by aged RAP bitumen.…”

Section: Introductionmentioning

confidence: 99%

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Implementing Waste Oils with Reclaimed Asphalt Pavement

Dokandari¹,

Kaya²,

Şengöz³

et al. 2017

World Congress on Civil, Structural, and Environmental Engineering

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-The present asphalt pavement industry faces two major issues. These two major issues are the increasing demand for ecofriendly asphalt mixtures and the costs of raw materials. The use of reclaimed asphalt pavement will be an essential attempt to reduce the costs of aggregates and bitumen in the final mixture. On the other hand, the main challenge for implementing RAP (Reclaimed Asphalt Pavement) is to overcome quality issues. RAP doesn't perform like a fresh pavement since it is an aged material and needs to be improved. This puts forward the requirement for extra practices like using of rejuvenating agents. Since bitumen loses its oily constituents when it ages, the use of oil-containing additives can be effective. In this study, two kinds of waste oils were used to rejuvenate aged asphalt mixture. Optimum contents of Waste Engine Oil (WEO) and Waste Vegetable Oil (WVO) additives were determined in order to implement various RAP contents. The effects of these two oily based rejuvenators on utilization of RAP in bituminous mixtures were investigated. The results represented that the use of WEO and WVO as rejuvenators for mixtures containing RAP enhances the amount of RAP used in bituminous mixtures.

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Investigating the Creep and Fatigue Properties of Recycled Asphalt Concrete Containing Waste Engine and Waste Cooking Oil

Taherkhani

Noorian

2021

RILEM Bookseries

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Influence of Waste Engine Oil on Asphalt Mixtures Containing Reclaimed Asphalt Pavement

Cited by 76 publications

References 19 publications

Balancing the Performance and Environmental Concerns of Used Motor Oil as Rejuvenator in Asphalt Mixes

Balancing the Performance and Environmental Concerns of Used Motor Oil as Rejuvenator in Asphalt Mixes

Implementing Waste Oils with Reclaimed Asphalt Pavement

Investigating the Creep and Fatigue Properties of Recycled Asphalt Concrete Containing Waste Engine and Waste Cooking Oil

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